Observation information
- date-obs: 2020-08-24
- time-obs: 15:29:25.254800000
- date-end: 2020-08-26
- time-end: 04:13:28.189300000
- obs_id: A09_095T02_9000003840
- exposure: 91498.7176021
- sourceid: LMC X-2
- observer: vivek
- ra_pnt: 80.11684
- dec_pnt: -71.96481
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A09_095T02_9000003840cztM0_level2_bc.evt
| modeM0/AS1A09_095T02_9000003840cztM0_level2_quad_clean.evt
|
Size (bytes) | 5,709,559,680 | 1,891,437,120 |
Size | 5.3 GB
| 1.8 GB
|
Events in quadrant A | 29,422,973 | 12,786,707 |
Events in quadrant B | 31,213,406 | 12,926,850 |
Events in quadrant C | 34,666,698 | 12,260,448 |
Events in quadrant D | 69,855,736 | 11,496,499 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 185 | 0 |
B | 0 | 185 | 0 |
C | 0 | 185 | 0 |
D | 0 | 185 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 2320 | 0 |
B | 0 | 2320 | 0 |
C | 0 | 2320 | 0 |
D | 0 | 2320 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 251131 | 0 |
B | 0 | 258747 | 0 |
C | 0 | 278231 | 0 |
D | 0 | 405200 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 114119 | 1674 | 1.466890% |
B | 114119 | 2486 | 2.178428% |
C | 114119 | 5051 | 4.426082% |
D | 114119 | 14778 | 12.949640% |
Noise dominated fraction
Noise dominated data is calculated using 1-second bins in cleaned event files. If a bin has >2000 counts, and if more than 50% of those come from <1% of pixels, then it is considered to be noise-dominated and hence unusable.
Quadrant |
# 1 sec bins |
Bins with >0 counts |
Bins with >2000 counts |
High rate bins dominated by noise |
Noise dominated (total time) |
Noise dominated (detector-on time) |
Marked lightcurve |
A | 132244 | 114113 | 180 | 180 | 0.14% | 0.16% |  |
B | 132244 | 114108 | 234 | 234 | 0.18% | 0.21% |  |
C | 132244 | 114109 | 519 | 519 | 0.39% | 0.45% |  |
D | 132244 | 114108 | 3263 | 3263 | 2.47% | 2.86% |  |
Top noisy pixels
Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1
Pixel properties |
Quadrant properties |
Quadrant |
DetID |
PixID |
Counts |
Sigma |
Mean |
Median |
Sigma |
A | 0 | 13 | 3529555 | 2588.25 | 6328 | 6239 | 1361.3 |
A | 5 | 168 | 994029 | 725.64 | 6328 | 6239 | 1361.3 |
A | 9 | 130 | 470686 | 341.18 | 6328 | 6239 | 1361.3 |
B | 3 | 64 | 4156901 | 3493.11 | 6354 | 6222 | 1188.2 |
B | 3 | 112 | 1141674 | 955.57 | 6354 | 6222 | 1188.2 |
B | 5 | 172 | 1023954 | 856.5 | 6354 | 6222 | 1188.2 |
C | 4 | 254 | 6831951 | 4803.97 | 6013 | 6021 | 1420.9 |
C | 3 | 233 | 3098031 | 2176.1 | 6013 | 6021 | 1420.9 |
C | 15 | 127 | 1567246 | 1098.76 | 6013 | 6021 | 1420.9 |
D | 1 | 52 | 23496196 | 17376.33 | 5859 | 5726 | 1351.9 |
D | 7 | 80 | 18887836 | 13967.44 | 5859 | 5726 | 1351.9 |
D | 2 | 250 | 2124274 | 1567.13 | 5859 | 5726 | 1351.9 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
Quadrant A |
 |
 |
Quadrant B |
Quadrant D |
 |
 |
Quadrant C |
Count rate plots and images
Plot type |
Count rate plots |
Images |
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data. |
 |
 |
Quadrant-wise count rates
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins |
 |
 |
Housekeeping plots
Parameter |
Plot |
CZT HV Monitor |  |
D_VDD |  |
Temperature 1 |  |
Veto HV Monitor |  |
Veto LLD |  |
Alpha Counter |  |
_CPM_Rate |  |
CZT Counter |  |
+2.5 Volts monitor |  |
+5 Volts monitor |  |
_ROLL_ROT |  |
_Roll_DEC |  |
_Roll_RA |  |
Veto Counter |  |